820424243034124 has 6 divisors (see below), whose sum is σ = 1435742425309724. Its totient is φ = 410212121517060.

The previous prime is 820424243034113. The next prime is 820424243034203. The reversal of 820424243034124 is 421430342424028.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102553030379262 + ... + 102553030379269.

Almost surely, 2^{820424243034124} is an apocalyptic number.

It is an amenable number.

820424243034124 is a deficient number, since it is larger than the sum of its proper divisors (615318182275600).

820424243034124 is a wasteful number, since it uses less digits than its factorization.

820424243034124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205106060758535 (or 205106060758533 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 43.

The spelling of 820424243034124 in words is "eight hundred twenty trillion, four hundred twenty-four billion, two hundred forty-three million, thirty-four thousand, one hundred twenty-four".